SanDisk Extreme Pro 32 GB microSD UHS-I Card ( SDSDQXP-032G-A46A) Performance/speed: Up to 90MB/s read and up to 40MB/s write speed Capacity: 32GB Temperature proof, water proof, shock proof, and x-ray proof Meets the new UHS Speed Class 3 (U3) and UHS Video Speed Class 30 (V30) for 4K UHD4 Delivers 4K Ultra HD and Full HD video recording and playback1